ANSWERS

Squirrel Mail, Round Cube, and Horde Mail are all webmail options -they actually use IMAP and are not configurable by you. However, you can log into your CPANEL, go to the MAIL section and select FORWARDING in order to forward your email to another email address. OR, you can use a different email client solution (such as configuring your Macmail to open your email). I'll give you a few links that will give you this information: